<template>
  <div class="roles">
    <!-- 面包屑区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片区域 -->
    <el-card>
      <div id="main"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";
import _ from "lodash";

export default {
  data() {
    return {
      myChart: "",
      option: {
        title: {
          text: "用户来源",
        },
        tooltip: {
          trigger: "axis",
          axisPointer: {
            type: "cross",
            label: {
              backgroundColor: "#E9EEF3",
            },
          },
        },
        grid: {
          left: "3%",
          right: "4%",
          bottom: "3%",
          containLabel: true,
        },
        xAxis: [
          {
            boundaryGap: false,
            axisLine: {
              show: true,
              lineStyle: {
                color: "#000",
              },
            },
          },
        ],
        yAxis: [
          {
            type: "value",
            axisLine: {
              show: true,
              lineStyle: {
                color: "#000",
              },
            },
          },
        ],
      },
    };
  },
  created() {},
  mounted() {
    this.myChart = echarts.init(document.getElementById("main"));
    this.myChart.showLoading();
    this.getOption();
    // this.myChart.setOption(this.option);
  },
  methods: {
    async getOption() {
      const { data: res } = await this.$http.get("reports/type/1");
      console.log(res);
      if (res.meta.status !== 200) return this.$message.error("获取报表数据失败");
      this.myChart.hideLoading();
      const option = _.merge(res.data, this.option);
      this.myChart.setOption(option);
    },
  },
};
</script>

<style scoped>
#main {
  width: 100%;
  height: 350px;
}
</style>